:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f8fafc;
    --accent-color: #38bdf8;
    --grid-gap: 1.5rem;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cam-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--grid-gap);
    max-width: 1400px;
    margin: 0 auto;
}

.cam-card {
    background: var(--card-bg);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    transition: transform 0.2s ease;
}

.cam-card:hover {
    transform: translateY(-4px);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.cam-info {
    padding: 1rem;
}

.cam-title {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.cam-category {
    font-size: 0.875rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.filter-btn {
    background: var(--card-bg);
    border: 1px solid #334155;
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #000;
}

@media (max-width: 640px) {
    .cam-grid {
        grid-template-columns: 1fr;
    }
}